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1 Jan 1949 Jahr - Zirkuitu txertatuak patentatu.

Beschreibung:

Urte honetan, zirkuitu txertatuak Werner Jacobic ingienari alemaniarrak patentatu zuen, baino ez ziren oraindik erabiltzen.

Zugefügt zum Band der Zeit:

IKT

BySERGIO ROMAN DOMINGUEZ

4 Okt 2018

1

0

538

Datum:

1 Jan 1949 Jahr

Jetzt

~ 76 years ago

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